UT Material Properties Tables

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Accoustic Properties for

Gases-

Gases	Velocity, Longitudinal		Density (g/cm³)	Acoustic Impedance g/cm²-sec x10⁵
Gases	cm/µs	in/µs	Density (g/cm³)	Acoustic Impedance g/cm²-sec x10⁵
Air 0° C (25 ATMs.)	.0332	.0131	*N/A*	*N/A*
Air 0° C (50 ATMs.)	.0335	.0132	*N/A*	*N/A*
Air 0° C (100 ATMs.)	.0351	.0138	*N/A*	*N/A*
Air 20° C	.0344	.0135	*N/A*	*N/A*
Air 100° C	.0386	.0152	*N/A*	*N/A*
Air 500° C	.0553	.0218	*N/A*	*N/A*
Ammonia	.0415	.0163	*N/A*	*N/A*
Argon	.0319	.0126	1.78x10^-3	.000568

Carbon Monoxide	.0337	.0133	*N/A*	*N/A*
Carbon Dioxide	.0258	.0102	*N/A*	*N/A*
Carbon Disulfate	.0189	.0074	*N/A*	*N/A*
Chlorine	.0205	.0081	*N/A*	*N/A*
Ethylene	.0314	.0124	*N/A*	*N/A*
Helium	.0970	.0382	.179 x 10^-3	.000174
Hydrogen	.1280	.0504	.09 x 10^-3	.000115
Methane	.0430	.0169	.74 x 10^-3	.000318
Neon	.0430	.0169	.90 x 10^-3	.000387
Nitric Oxide	.0325	.0128	*N/A*	*N/A*
Nitrogen (0° C)	.0330	.013	1.25 x 10^-3	.000413
Nitrogen (20° C)	.0350	.0138	1.16 x 10^-3	.000406
Nitrous Oxide	.0262	.0103	*N/A*	*N/A*
Oxygen (0° C)	.0316	.0124	1.42 x 10^-3	.000449
Oxygen (20° C)	.0328	.0129	1.32 x 10^-3	.000433

Data compiled by Xactex Corporation. Sources of original data are unknown.
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